The southwest monsoon is poised to advance further into Tamil Nadu, bringing widespread rainfall activity across several districts over the coming days. The Regional Meteorological Centre (RMC), Chennai, has issued a heavy to very heavy rainfall warning for parts of the state, particularly along the Western Ghats, with thunderstorms, lightning, and gusty winds expected to accompany the rain.
✅ Southwest monsoon conditions are becoming favourable across Tamil Nadu
✅ Heavy to very heavy rainfall alert issued for Nilgiris, Theni, Dindigul, and Coimbatore ghat areas
✅ Thunderstorms, lightning, and gusty winds up to 50 kmph expected
✅ Risk of localized flooding and landslides in vulnerable hill regions
✅ Chennai recorded the state’s highest temperature at 40.4°C
✅ Nalumukku in Tirunelveli received 17 cm rainfall in the last 24 hours
Southwest Monsoon Gains Strength Over Tamil Nadu
The Regional Meteorological Centre (RMC) has indicated that weather conditions are becoming increasingly favourable for the further advancement of the southwest monsoon over Tamil Nadu. As monsoon activity strengthens, several districts are expected to receive moderate to heavy rainfall over the next few days.
The weather department has warned of heavy to very heavy rainfall accompanied by thunderstorms, lightning, and strong winds reaching speeds of 40–50 kmph in isolated locations.
Western Ghats Districts Under Heavy Rain Alert
The most significant rainfall is expected in the Nilgiris, Theni, and Dindigul districts, along with the ghat regions of Coimbatore district.
Meteorologists have stated that isolated locations in these areas could witness very heavy downpours, increasing the possibility of Localized flooding, Landslides in hilly terrain, Road disruptions, Damage to vulnerable infrastructure
The rainfall is expected to provide relief from the recent spell of hot and dry weather across the state.
Other Districts Likely to Receive Heavy Rain
Apart from the districts under the very heavy rainfall warning, the RMC has forecast heavy rainfall accompanied by thunderstorms at isolated places in:
- Erode
- Salem
- Dharmapuri
- Krishnagiri
- Tirupattur
- Vellore
- Ranipet
- Tiruppur
- Madurai
- Virudhunagar
- Kanyakumari
Similar weather conditions are expected in the ghat regions of Tenkasi and Tirunelveli districts.
Authorities Advise Caution
Officials have urged residents living in hilly, landslide-prone, and low-lying areas to remain alert as intense rainfall could trigger local emergencies.
People have also been advised to exercise caution during thunderstorms due to the possibility of:Lightning strikes, Strong winds, Temporary disruptions to transportation and power supply
Chennai Continues to Experience Heat and Humidity
Despite the approaching monsoon, northern coastal Tamil Nadu is expected to continue experiencing uncomfortable weather conditions.
Chennai recorded the highest maximum temperature in the state at 40.4 degrees Celsius on Saturday. High temperatures combined with elevated humidity levels are likely to keep conditions sultry across coastal districts even as rainfall activity increases elsewhere.
Rainfall Activity Already Intensifying
Signs of the strengthening monsoon are already visible across southern Tamil Nadu. During the past 24 hours Nalumukku in Tirunelveli district recorded 17 cm of rainfall, the highest in the state, Mylar in Kanyakumari district received 9 cm of rainfall. The increasing rainfall activity indicates the growing influence of the southwest monsoon across the region.
Conclusion
The southwest monsoon is steadily advancing across Tamil Nadu, bringing the prospect of widespread rainfall and cooler conditions in many districts. While the rains are expected to benefit agriculture and ease heat stress, authorities are urging residents in vulnerable areas to stay alert due to the risk of flooding, landslides, thunderstorms, and strong winds. The coming days will be crucial as monsoon activity strengthens further across the state.
Q1. Which districts are under a heavy to very heavy rainfall warning in Tamil Nadu?
Nilgiris, Theni, Dindigul, and the ghat areas of Coimbatore district are under a heavy to very heavy rainfall warning.
Q2. What wind speeds are expected during the rainfall activity?
Thunderstorms may be accompanied by gusty winds reaching 40–50 kmph.
Q3. Which place recorded the highest rainfall in Tamil Nadu in the last 24 hours?
Nalumukku in Tirunelveli district recorded the highest rainfall with 17 cm.
Q4. What was Chennai’s maximum temperature on Saturday?
Chennai recorded a maximum temperature of 40.4°C, the highest in the state.
Q5. What risks are associated with the expected heavy rainfall?
Localized flooding, landslides, transportation disruptions, lightning, and strong winds are among the key risks.
